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TM
SL40
VHF Comm
pilot’s guide
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© 2005 Garmin Ltd. or its subsidiaries Garmin International, Inc. Garmin AT st 1200 East 151 Street, Olathe, Kansas 66062, U.S.A. 2345 Turner Rd., SE Salem, OR 97302 Tel. 913/397.8200 or 800/800.1020 Tel. 503/581.8101 or 800/525.6726 Fax 913/397.8282 Fax. 503/364.2138 Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9DL, U.K. Tel. 44/0870.8501241 Fax 44/0870.8501251 Garmin Corporation nd No. 68, Jangshu 2 Road, Shijr, Tai
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Intr Introduction oduction Welcome ... Welcome to a new era of aviation communication. Once again, Garmin AT, Inc. has set new standards in features and ease of use for the general aviation public. The SL40 is a VHF Communications Transceiver for use by the aviation pilot. Packaged in a new slim form factor that helps you get the most out of limited panel real estate without limiting features and performance. The SL40 is unequaled in providing the features, level of performance, and reliabil
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Introduction Contacting the Factory Contacting the Factory Compliance, License, and If the SL40 unit fails to operate despite troubleshooting efforts, contact Garmin Technical Support for assistance. Warranty Information GARMIN International, Inc. 1200 East 151st Street Serial Number Olathe, KS 66062-3426 Use this area to record the serial number in case it is lost, stolen, USA or needs service. Be sure to keep your original sales receipt in a safe place or attach a photocopy inside the
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Introduction Table of Contents Auto Stack List (LST) .......................................... 6 Table of Contents User Stored Frequencies (MEM) .......................... 6 Weather (WTH) .................................................. 6 Welcome ... .............................................................i Aborting a Frequency Recall ................................ 6 History of Revisions ................................................i Removing a Frequency from User Memory ..........
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Introduction This page intentionally left blank iv
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Getting Started Display Getting Started This guide describes the operation of the SL40 VHF Communication Transceiver. Display The 1-line by 16-character display is composed of 5x7 dot matrix alphanumeric high intensity LEDs. A photocell is located in the top left corner of the front panel display. The photocell automatically controls the intensity of the display from low brightness at night to high brightness during daylight operation. Brightness levels may also be controlled manually. SL
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Getting Started Annunciators and Controls Annunciators Several annunciators are used to help indicate the operating modes of your SL40. The TX - Transmit\ TX (Transmit) annunciator is lighted whenever you are transmitting. If the avionics bus s - Standby Frequency drops below 9 VDC, the SL40 will not transmit. An LED will be lighted above the MON m - Monitor Mode and RCL buttons when these functions are selected. An “s” will appear to the left of the I - Intercom Standby frequency. An
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Getting Started Controls EC (Emergency Channel) Press the EC button to load the Emergency Channel (121.500 MHz) as the standby frequency. The Monitor function is automatically enabled. MON (Monitor) Press the MON button to listen to the standby frequency. When the active frequency receives a signal, the unit will switch automatically to the active frequency. RCL (Recall) Press the RCL button to retrieve stored frequencies. MEM (Memory) Press the MEM button to store the displayed Standby fre
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Detailed Oper Getting Started ation Selecting Frequencies Detailed Operation This section introduces the basic operating details of the SL40 VHF Communications Transceiver. Power On/Off Turn the Power/Volume control clockwise past the OFF detent. The SL40 may be installed to be powered from the avionics panel so the on/off control will be disabled. Volume, Power, and Squelch Control Volume Turn the Power/Volume knob clockwise to increase the volume level and counterclockwise to decrease vol
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Detailed Operation Monitoring and Recalling Frequencies Frequency Monitoring The Frequency Monitoring function allows you to listen to the Standby frequency, while monitoring the Active frequency for activity. 119.10 > m121.50 Press the MON button to listen to the standby frequency. A small “m” is displayed in front of the Monitoring a Frequency Standby frequency. When the Active frequency receives a signal, the unit will switch automatically to the Active frequency and then switch back when
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Detailed Oper Getting Started ation Auto Stack, User, & Weather Frequencies Auto Stack List (LST) The SL40 keeps track of the last eight Active frequencies and stores them in a stack. Duplicate fre- quencies are not stored. 119.10 LST121.80 1. Press RCL and then turn the Large, outer knob to display the Auto Stack List (LST). Viewing the Auto Stack List 2. Then, turn the Small, inner knob to view the stored frequencies. Frequencies are shown in the order of use. User Stored Frequencies (MEM)
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Detailed Operation Removing, Replacing, & ID User Frequencies Removing a Frequency from User Memory You may edit the contents of User memory to remove its stored frequencies when you want to make a change or you receive a “MEM Full” message. Remove 121.50 1. Press RCL. Turn the Large knob to the User (MEM) frequencies. Removing a Frequency 2. Press MEM. Turn Large knob to show “Remove.” 3. Turn the Small knob to choose the frequency to Remove. 4. Press MEM to remove the frequency. Or, t
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Detailed Oper Getting Started ation Intercom and Stuck Mic 6. Press MEM to save the displayed ID. Turn the Large knob to “Done” and press MEM. The alphanumeric ID for a frequency is displayed only when looking at user stored frequencies using the recall (RCL) feature. The stored frequency is displayed numerically once selected as the active or standby frequency. You can remove the ID for a frequency while retaining the frequency in User memory by setting all characters to underscores and pr
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Detailed Operation System Functions System Functions The SL40 includes a number of System Functions that give you more information about your com- munication equipment. Press and hold the MON button for about three seconds to reach the System Function. Turn the Large, outer knob to display the available functions. Adjustments are made with the Small, inner knob. Press the MON button again to exit the System Functions. System Function Summary Software Version The Software version is available
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Detailed Oper Getting Started ation System Functions RF Level The RF Level function shows the relative signal strength of the frequency you are listening to. The range displayed is between 0 and 255. The value will constantly change as you are viewing it as signal RFLvl 123 conditions change. RF Level 10
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Detailed Operation System Functions Noise Level The Noise Level function shows the relative received noise level of the frequency you are listening NOISE 017 to. The range displayed is between 0 and 255. The value will constantly change as you are viewing it as Noise Level signal conditions change. Headphone Level The Headphone Level function allows you to adjust the headphone audio level. Turn the Small knob Hdphone Lvl 100 to change the value. Setting the value to 0 slaves the h
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Appendix System Functions Intercom Level This function adjusts the Intercom Audio Level. Turn the Small knob to change the value. The range Intcom Lvl 100 is from 0 to 255. Setting the value to 0 slaves the sidetone level to the volume control knob. Intercom Level Sidetone Level This function displays and adjusts the sidetone audio level. Turn the Small knob to change the value. Sidton Lvl 100 The range is from 0 to 255. Setting the value to 0 slaves the sidetone level to the volume contr
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Appendix Specifications SL40 Specifications Features 760 Communication Channels Frequency Range: 118 to 136.975 MHz Active and Standby Flip/Flop Frequencies Volume Control 16-Character High-Intensity Alphanumeric LED Display Automatic Display Intensity Control Backlit Keypad Controls Transmit Status Indicator 2x8 Frequency Memory and Recall Stores/Recalls Eight User-Defined Frequencies (user-programmable alphanumeric naming of frequencies) Stores/Recalls Previous Eight Frequencies Frequency M
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Appendix Specifications, Accessories, & Packing Performance Transmit Power: 8 watts Carrier Power (28 watts Input Power) Accessories and Input Voltage Range: 10 to 40 VDC Packing List Operating Temperature Range: -20° to +55° C Certified TSO C37d (transmitting) To obtain accessories for your SL40 please contact your Garmin dealer. Certified TSO C38d (receiving) Help us better support you by completing our on-line Certified TSO C128 (Stuck Mic) registration form today! Registration ensures that
